Fig. 2From: In vitro and numerical simulation of blood removal from cerebrospinal fluid: comparison of lumbar drain to Neurapheresis therapySchematic of the Neurapheresis system and study protocol. a Three-dimensional CFD model of the SAS with flow boundary conditions and magnified view of the Neurapheresis catheter return and aspiration ports. b Oscillatory pump to induce CSF pulsations to match the CSF flow field acquired by phase contrast-MRIBack to article page